In Croatia, Činko families are Croats (from Opatija ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Pazin.
Prevalence
About 20 people with faimily name Činko live in Croatia today, in 9 households. There were 30 of them in the middle of the past century, and their number decreased by 40 percent. They are located in two Croatian counties and four other places, mostly in Opatija (<10), Pula (<5), Erkovcici (<5), Rovinj (<5), and in Roc (<5).